CN209849662U - Punching die - Google Patents

Abstract

The utility model provides a punching die, including last mould and the lower mould that has vertical through-hole, the rim put with rim internal surface looks adaptation on the lower mould, it can stretch into to go up the mould in the through-hole of lower mould. An upper die base is arranged at the top end of the upper die, and a base plate is arranged between the upper die base and the upper die. And the bottom end of the lower die is provided with a lower die seat. And a groove is arranged at the position, corresponding to the vertical through hole of the lower die, on the lower die base. The guide post and guide sleeve structure comprises a guide sleeve arranged on the upper die base and a guide post arranged on the lower die base, and the guide post can extend into the guide sleeve. The guide post is of a cylindrical structure, and the head of the upper end of the guide post is in a conical shape and transits to the arc outer surface of the guide post. The utility model discloses a cut-out press's simple structure, convenient operation, machining efficiency is high, and the surface after the processing need not secondary operation, can not cause the pollution to the environment.

Description

Punching die

Technical Field

The utility model relates to the field of machining, especially indicate a cut-out press.

Background

At present, the conventional method for processing the valve hole on the rim of the wheel with the inner tube is to adopt a profile modeling cutting machine to carry out cutting processing, cutting slag exists after cutting, the inner surface of the hole is rough, surface grinding is needed, dust pollution to the environment can be caused by grinding, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut-out press for solve among the prior art machining efficiency low and the cutting plane after the processing need the problem of secondary operation processing.

In order to achieve the above object, the utility model provides a following technical scheme:

a punching die comprises an upper die and a lower die with a vertical through hole, wherein a rim is placed on the lower die matched with the inner surface of the rim, and the upper die can extend into the through hole of the lower die.

The die comprises an upper die and a lower die, wherein an upper die base is arranged at the top end of the upper die, and a base plate is arranged between the upper die base and the upper die.

The size of the cross section of the upper die is matched with that of the through hole of the lower die.

Wherein, the lower die bottom is provided with the die holder.

Wherein the upper die holder is provided with a counter bore;

and an upper notch matched with the T-shaped groove of the sliding plate of the punch press is arranged on the upper die base.

And a groove is arranged at the position, corresponding to the vertical through hole of the lower die, on the lower die base.

Wherein, both sides of the lower die holder are respectively provided with a screw hole;

and the lower die holder is provided with a lower notch and an oval through hole which are matched with a T-shaped groove of a workbench of the punch press.

The upper die and the lower die are guided by a guide pillar and guide sleeve structure.

The guide post and guide sleeve structure comprises a guide sleeve arranged on the upper die base and a guide post arranged on the lower die base, and the guide post can extend into the guide sleeve.

The guide post is of a cylindrical structure, and the head of the upper end of the guide post is in a conical shape and transits to the arc outer surface of the guide post.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the technical scheme, the utility model discloses a cut-out press's simple structure, convenient operation, machining efficiency is high, and the surface after the processing need not secondary operation, can not cause the pollution to the environment.

Drawings

Fig. 1 is a front view of a punching die of the present invention;

fig. 2 is a top view of the punching die of the present invention;

fig. 3 is a front view of the lower die holder of the punching die of the present invention;

fig. 4 is a top view of the lower die holder of the punching die of the present invention;

fig. 5 is a front view of the upper die base of the punching die of the present invention;

fig. 6 is a left side view of the upper die base of the punching die of the present invention;

fig. 7 is a top view of the upper die base of the punching die of the present invention.

Reference numerals:

1. a lower die holder; 2. a guide post; 3. a guide sleeve; 4. an upper die holder; 41. a counter bore; 5. a base plate; 6. an upper die; 7. and (5) a lower die.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The utility model discloses to the problem that current machining efficiency is low and the cutting plane after the processing needs secondary operation to handle, provide a cut-out press.

As shown in fig. 1-7, the embodiment of the present invention provides a punching die, which includes an upper die 6 and a lower die 7 having a vertical through hole, wherein a rim is placed on the lower die 7 adapted to an inner surface of the rim, and the upper die 6 can extend into the through hole of the lower die 7.

The utility model discloses a cut-out press lower mould 7 with rim internal surface looks adaptation, the rim is put on lower mould 7, push down go up mould 6, it passes to go up mould 6 the rim stretches into in the through-hole of lower mould 7, the rim is accomplished and is punched a hole. Utilize the utility model discloses a secondary treatment is not needed on the surface in the valve hole that cut-out press processed out, and machining efficiency is high.

An upper die base 4 is arranged at the top end of the upper die 6, and a base plate is arranged between the upper die base 4 and the upper die 6.

The utility model discloses a cut-out press go up mould 6 when the gasket can cushion and punch a hole and to the impact of upper die base 4, be convenient for change if use for a long time warp.

Wherein, the size of the cross section of the upper die 6 is matched with the size of the through hole of the lower die 7.

Wherein, the bottom of the lower die 7 is provided with a lower die holder 1.

Wherein, the upper die holder 4 is provided with a counter bore 41;

and an upper notch matched with the T-shaped groove of the sliding plate of the punch press is arranged on the upper die base 4.

The utility model discloses a cut-out press the upper surface of upper die base 4 is equipped with a counter bore 41, and an accessible locating pin makes the upper ledge center of going up mould 6 center and punch press corresponding, can not the unbalance loading when punching a hole. The position size of the notch arranged on the upper die base 4 is matched with the position size of a T-shaped groove of an upper sliding plate of the punch.

And a groove is arranged at the position, corresponding to the vertical through hole of the lower die 7, on the lower die base 1.

The utility model discloses a cut-out press the design of slot is convenient for when punching a hole, and the waste material that dashes out is taken out from the slot.

Wherein, both sides of the lower die holder 1 are respectively provided with a screw hole;

and a lower notch and an oval through hole which are matched with a T-shaped groove of a workbench of the punch press are arranged on the lower die holder 1.

The utility model discloses a breach and oval through-hole that are equipped with on 1 template of cut-out press's the lower bolster and the workstation T type groove looks adaptation of punch press adopt T type bolt fastening. And 4 screw holes are respectively formed in two sides of the lower die base 11, and the gap between the lower die 7 and the upper die 6 can be adjusted through the hexagon socket head cap screws, so that the peripheral gap is uniform.

The upper die 6 and the lower die 7 are guided by a guide post and guide sleeve structure.

The guide post and guide sleeve structure comprises a guide sleeve 4 arranged on the upper die holder 4 and a guide post 2 arranged on the lower die holder 1, and the guide post 2 can extend into the guide sleeve 4.

The guide post 2 is of a cylindrical structure, and the head of the upper end of the guide post 2 is in a conical shape and transits to the arc outer surface of the guide post 2.

Guide pillar and guide pin bushing structure symmetry is provided with 2, 2 upper end heads of guide pillar be the toper to 2 circular arc surface transition of guide pillar is favorable to guide pillar 2 to insert in guide pin bushing 4, and 7 compound die precisions of lower mould are high on it, can not lead to the emergence of mould and equipment accident because of lower mould 7 dislocation.

The utility model discloses a cut-out press the die holder 1 with 4 homogeneous body shaping of upper die base, mould processing adopts last mould 6, 7 compound dies processing guide pillar guide pin bushing mounting holes of lower mould to compound die precision about ensureing.

The utility model discloses a cut-out press's use as follows: firstly, the upper die holder 4 is lifted upwards along the guide post 2 under the action of the guide post and guide sleeve structure, so that the upper die 6 is completely separated from the lower die 7; secondly, the inner surface of the rim is tightly attached to the upper surface of the lower die 7, the upper die holder 4 is pressed downwards, the upper die 6 moves downwards along the guide post 2, the upper die 6 penetrates through the rim and goes deep into the through hole of the lower die 7, and at the moment, the scraps punched by the upper die 6 fall into the groove of the lower die holder 1; and finally, lifting the upper die base 4 to enable the upper die 6 to be completely separated from the lower die 7, lifting the rim, taking out waste materials from the groove, and completing punching of the valve hole of the rim.

In the technical scheme, the utility model discloses a cut-out press's simple structure, convenient operation, machining efficiency is high, and the surface after the processing need not secondary operation, can not cause the pollution to the environment. The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

In the description of the present invention, it is to be understood that the terms "upper", "one end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A punching die is characterized by comprising an upper die and a lower die with a vertical through hole, wherein a rim is placed on the lower die matched with the inner surface of the rim, and the upper die can extend into the through hole of the lower die;

the upper die and the lower die are guided by a guide pillar and guide sleeve structure;

the guide post and guide sleeve structure comprises a guide sleeve arranged on the upper die and a guide post arranged on the lower die, and the guide post can extend into the guide sleeve.

2. The punching die of claim 1 wherein an upper die base is provided at a top end of the upper die, and a backing plate is provided between the upper die base and the upper die.

3. The punching die of claim 1 wherein the size of the cross-section of the upper die is adapted to the size of the through-hole of the lower die.

4. The punching die of claim 2, wherein the lower die is provided with a lower die base at a bottom end thereof.

5. The punching die of claim 2 wherein the upper die base is provided with a counterbore;

and an upper notch matched with the T-shaped groove of the sliding plate of the punch press is arranged on the upper die base.

6. The punching die of claim 4, wherein the lower die base is provided with grooves at positions corresponding to the vertical through holes of the lower die.

7. The punching die of claim 4, wherein the lower die base is provided with screw holes on both sides thereof;

and the lower die holder is provided with a lower notch and an oval through hole which are matched with a T-shaped groove of a workbench of the punch press.

8. The hole-punching die of claim 1 wherein said post is cylindrical in configuration and wherein said post upper end head is tapered to transition to said post arcuate outer surface.